Senior Software Engineer (.NET + React)

We will be working together on:

• Designing, developing and evolving scalable applications using C# and modern web technologies.

• Building and maintaining REST APIs and microservice-based solutions.

• Contributing to applications that process and manage large volumes of data, including vehicle GPS and telemetry-related information.

• Making informed architectural decisions regarding scalability, performance and data flow.

• Applying data-driven design principles when structuring applications and services.

• Contributing to data-streaming solutions while considering reliability, throughput and processing requirements.

• Contributing across different application layers, including frontend applications, APIs and background workers.

• Working with relational or time-series data storage and designing efficient data-access and querying approaches.

• Collaborating closely with the client’s technical leadership and colleagues from different countries.

• Communicating progress, technical considerations, risks and dependencies proactively.

• Suggesting improvements, challenging ideas constructively and helping move technical discussions towards clear decisions.

• Maintaining a delivery-focused approach while considering the long-term direction of the solutions you build.

You might be our missing piece if you have:

• Knowledge of Formula 1 concepts such as laps, sectors, pit stops and tyre compounds and a genuine interest in Formula 1 and motorsport.

• Strong professional experience with C# on backend and React or other relevant frameworks on frontend.

• Experience designing and developing REST APIs.

• Good understanding of microservice architectures and distributed systems.

• Experience applying data-driven design principles.

• Understanding of data-streaming architectures and their main design considerations.

• Experience designing applications that need to scale as data volume and usage increase.

• Experience with modern engineering practices and automated testing.

• Strong analytical thinking and problem-solving skills.

• Good English communication skills, both written and spoken.

• A proactive communication style and the confidence to contribute ideas in an international team.

• The ability to build trusted working relationships with technical leaders and other stakeholders.

• A pragmatic, delivery-oriented mindset, combined with the ability to think strategically about your work.

• Availability to attend occasional team gatherings at our Cluj-Napoca office.

• You have a sense of belonging when reading about our culture.

We would be thrilled if you have:

• Experience with time-series data storage and querying.

• Experience implementing Kafka producer and consumer patterns.

• Experience with other publish-subscribe or message-driven architectures.

• Familiarity with real-time communication patterns between backend and frontend applications.